
#1
Mar3009, 07:01 PM

P: 19

1. The problem statement, all variables and given/known data
What was the initial velocity of an object that moved 120m in 5.60s, reaching a final velocity of 15.0m/s in that time? 2. Relevant equations v=d/t a=v2v1/t2t1 3. The attempt at a solution I was wondering is there an acceleration that i'm missing here? or am i just off? I've been using this eq. v1=v2a(changeintime) Someone help :( 



#2
Mar3009, 07:07 PM

P: 141

was the object at rest?




#3
Mar3009, 07:32 PM

P: 19

The book's answer is 28 m/s =S



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